System.Xml.Serialization.SoapSchemaExporter.ExportEnumMapping C# (CSharp) Method

        XmlQualifiedName ExportEnumMapping(EnumMapping mapping, string ns) {
            XmlSchemaSimpleType dataType = (XmlSchemaSimpleType)types[mapping];
            if (dataType == null) {
                CheckForDuplicateType(mapping.TypeName, mapping.Namespace);
                dataType = new XmlSchemaSimpleType();
                dataType.Name = mapping.TypeName;
                types.Add(mapping, dataType);
                AddSchemaItem(dataType, mapping.Namespace, ns);

                XmlSchemaSimpleTypeRestriction restriction = new XmlSchemaSimpleTypeRestriction();
                restriction.BaseTypeName = new XmlQualifiedName("string", XmlSchema.Namespace);

                for (int i = 0; i < mapping.Constants.Length; i++) {
                    ConstantMapping constant = mapping.Constants[i];
                    XmlSchemaEnumerationFacet enumeration = new XmlSchemaEnumerationFacet();
                    enumeration.Value = constant.XmlName;
                    restriction.Facets.Add(enumeration);
                }
                if (!mapping.IsFlags) {
                    dataType.Content = restriction;
                }
                else {
                    XmlSchemaSimpleTypeList list = new XmlSchemaSimpleTypeList();
                    XmlSchemaSimpleType enumType = new XmlSchemaSimpleType();
                    enumType.Content =  restriction;
                    list.ItemType = enumType;
                    dataType.Content =  list;
                }
            }
            else {
                AddSchemaImport(mapping.Namespace, ns);
            }
            return new XmlQualifiedName(mapping.TypeName, mapping.Namespace);
        }
    }